1. Audiology (Original): Nominal audiology dataset from Baylor
2. Audiology (Standardized): Standardized version of the original audiology database
3. Breast Cancer: Breast Cancer Data (Restricted Access)
4. Lymphography: This lymphography domain was obtained from the University Medical Centre, Institute of Oncology, Ljubljana, Yugoslavia. (Restricted access)
5. Primary Tumor: From Ljubljana Oncology Institute
6. Soybean (Large): Michalski's famous soybean disease database
7. SPECT Heart: Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal.